The solubility of a compound with a molecular weight of 242.7 is determined to be 26.0 g in 75.0 g of water at 398 K. Express this concentration in terms of molality.

Q: An aqueous solution of 13.50 g of catalase, an enzyme found in the liver, has a volume of 1.00 L at…

A: Since the osmotic pressure is given by  Osmotic pressure = i X CRT where i = Van't Hoff factor = 1…

Q: Calculate the molality of a 1.36 M aqueous solution of acetone ((CH3)2CO, 58.079g/mol) given that…

A: Given : Concentration of acetone = 1.36 M And density of solution = 0.9874 g/mL.

Q: An aqueous solution is 26.9 % lithium chloride, LiCl, by mass. The density of the solution is 1.127…

A: Assuming we have 100 g of solution Since % by mass is defined as  % by mass = mass of solute X 100 /…

Q: If you have 0.151 g of Al(OH)3 which is dissolved in 100.5 mL of CH3CH2OH with the density of 1.95…

A: INTRODUCTION: Molarity: It is defined as the Number of moles of solute dissolved in 1 Litre of…

Q: Calculate the molality of each of the following aqueous solutions: (a) 2.55 M NaCl solution (density…

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Q: Calculate the molality, the molarity, and the mole fraction of NH3 in an 11.10 mass % aqueous…

A: 100 gram of the aqueous solution contains 11.10 grams of ammonia. The molar mass of ammonia is 17…

Q: Calculate the molarity of a solution prepared by dissolving 5.881 g NaCl in 250.0 mL of water. (MM…

A: Given : mass of NaCl = 5.881 g And volume of water = 250 mL.

Q: Calculate the molality of a 0.410 molar aqueous glucose solution whose density is 1.15 g/mol

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Q: 6. The molality of an aqueous solution of sugar (CHO:1) is 1.75m. Calculate the mole fractions of…

A: mole fraction represent the ratio of mole of one substance to the mole of total substance. It is a…

Q: Calculate the molality of a solution containing 250g of glucose (C6H12O6) in 1045 g of ethanol.

A: Molality : Molality can be defined as "Total moles of a solute present in one kilogram of a…

Q: Calculate the molality of saturated aqueous sodium chloride (58.443 g/mol). A saturated solution…

A: The molality of the solution is defined as the ratio of no of moles of solute to that of mass of…

Q: What is the molality and % by mass of H2O2 upon mixing 28.3 g of this compound in 39 g of H2O?

A: Given :-  Mass of H2O2 = 28.3 g  Mass of H2O = 39 g  To calculate :-  Molality of solution   % by…

Q: Calculate the molality of a solution containing 119g of glucose (C6H1206) in 2322 g of ethanol.

A: • The values provided in the question are:-    i) Mass of a glucose (solute), W2 = 119 g  ii) Molar…

Q: A 13.0% solution of K2CO3 by mass has a density of 1.09 g/cm3. Calculate the molality of the…

A:

Q: The solubility of CoCl2.6H2O in methanol (CH3OH) is 38.5 g per 100 g of methanol (CH3OH) at 20oC.…

A: Assuming we have 100 g of methanol  Since the solubility of CoCl2.6H2O in methanol is 38.5 g in 100…

Q: a sulfuric acid solution has a density of 1.85 g/cc. calculate the molality and normality of 2 liter…

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Q: The density of a solution having 98 grams of Sulphuric acid(H2SO4) in 1 liter solution is 1.098…

A: Molarity of the solution is 84.74

Q: Calculate the molality of an aqueous solution that is 12.8% by mass NaCl, given that the density of…

A: Given: Percent by mass of NaCl= 12.8% Density of the solution= 1.08 g/mL To find: The molality of…

Q: Calculate the molality of a solution prepared by dissolving 15 grams of ethylene glycol (HOCH2CH2OH)…

A: Given mass of ethylene glycol = 15 g Molar mass of ethylene glycol = 62.07 g/mol Number of moles =…

Q: Calculate the molality of a solution formed by disolving 39.8 g of lithium in 500mL of water

A: Calculate the number of moles of lithium:

Q: Calculate the molality of a 4.05 M ethanol (C2H5OH) solution whose density is 0.9495 giml 10.3 m…

A:

Q: The normal boiling point of methanol is 64.78C. A solution containing a nonvolatile solute dissolved…

A: The temperature point at which the vapor pressure of a solution becomes exactly equal to the…

Q: A solution of H2SO4 with a molal concentration of 8.010 m has a density of 1.354 g/mL. What is the…

A: Given, A solution of H2SO4 with a molal concentration of 8.010 m has a density of 1.354 g/mL. The…

Q: Determine the molality of a solution prepared by dissolving 0.500 moles Bal2 in 11.5 moles H2O

A: Since we know that molality is calculated as  Molality = number of mole of solute / mass of solvent…

Q: What is the molar mass of a protein if a solution of 0.02 g of the protein in 25.0 mL of solution…

A: The osmotic pressure is given by, π= c. R.T where c is the concentration, R is the ideal gas…

Q: Acetonitrile 1CH3CN2 is a polar organic solvent that dissolves a wide range of solutes, including…

A: Molality of the solution is equal to number of moles of solute present in one kg of solvent. Write…

Q: What molality of a nonvolatile, nonelectrolyte solute is needed to raise the boiling point of water…

A:

Q: Calculate the molality of a solution containing 109g of glucose (C6H12O6) in 679 g of ethanol.

A: Answer:  0.891 mol/Kg

Q: An aqueous potassium chloride, KCl, solution is made by dissolving 0.305 mol KCl in 575.0 g of…

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Q: Calculate the freezing point of a solution containing 109 gg FeCl3FeCl3 in 171 gg water.

A: Given: weight of solute (FeCl3),  w =109g we know thta, Molecular weight of solute (FeCl3), W=162.2g…

Q: What is the mole fraction of methanol in this solution?

A: The temperature point at which the vapor pressure of a solution becomes exactly equal to the…

Q: The mole fraction of NaCl in an aqueous solution of NaCl is 0.23. What is the molality of the…

A:

Q: The density of an aqueous solution containing 40.0% sulfuric acid (H2SO4) by mole is 1.681 g/mL. a)…

A: Molality: The number of moles of the solute dissolved in one kilogram of the solution is known as…

Q: What is the molality of an aqueous solution of sucrose that is 12.5% sucrose by mass?

A:

Q: At 25.0 °C, 100.0 mL of an aqueous solution containing 45.2 mg of a molecular solute has an osmotic…

A: we will use osmotic pressure formula

Q: An aqueous solution is 26.1 % lithium chloride, LICI, by mass. The density of the solution is 1.127…

A: The molality, mole fraction and the molarity are to be determined for an aqueous solution containing…

Q: You have a solution of 10.0 g of sucrose in 100.0 of water. Calculate the molality based on the…

A:

Q: an aqueous solution of ethanol, C2H5OH, is 19% ethanol by mass and has a density of 0.97 g ml ^-1.…

A: Assuming 1 L i.e 1000 mL of solution. Given : Mass percent of ethanol = 19 % And density of solution…

Q: Calculate the molalities of the following aqueous solutions: (a) 1.21 M sugar (C12H22011) solution…

A: Molality = no. of moles of solute/Mass of solvent (kg) Now, we have to calculate 'no. of moles of…

Q: Calculate the molality of a 0.410 molar aqueous solution whose density is 1.15 g/mL.

A: Given that  Molarity for a aqueous solution = 0.410 molar density of solution  = 1.15 g/ml To…

Q: A 0.9720 M aqueous solution of NaCl has a density of 1.03625 g/cm3 at 25 °C, Calculate the molality…

A:

Q: Calculate the molality

A:

Q: Calculate the molalities of the following aqueous solution: (a) 1.22 M sugar (C12H22O11) solution…

A: Given : 1.22 M solution of C12H22O11 with density = 1.12 g/mL Assuming we have 1 L of solution i.e…

Q: The vapor pressures of pure carbon disulfide and carbon tetrachloride are 360 and 99.8 Torr,…

A:

Q: A solution of HCl, 0.77% by weight, freezes at -0.805oC. Calculate the  apparent molality and the…

A: ΔTf = i*Kf*m ΔTf  = depression in freezing point = freezing point of pure solvent - freezing point…

Q: Calculate the molality of a solution formed by dissolving 29.22 g of NaCl in 1.00 kg of water,

A: molality of a solutionIt is the number of moleo of thesolute dissolved per 1000 g (or 1 kg)of the…

Q: Calculate the molality of a 6.39 M ethanol (C,H5OH) solution whose density is 0.9261 g

A: Molarity of ethanol = 6.39 M. 6.39 M solution means 6.39 moles of ethanol in 1 L of solution. Volume…